GuitarPCB | Chris S | Activity https://guitarpcb.com/members/topher6345/activity/ Activity feed for Chris S. Sun, 31 May 2026 03:54:31 -0400 https://buddypress.org/?v= en-US 30 hourly 2 2be00006e9c8069f722b0c80a69f0990 Chris S replied to the topic Boogie 57 - Sputtery decay in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/boogie-57-sputtery-decay/#post-34010 Thu, 10 Oct 2024 06:11:31 -0400 Insulating the treble pot with a piece of painter’s tape seems to work.

I have plastic covers on all of the pots, I did some audio probing on each contact point for all the pots, nothing there.

The pedal is now pretty loud and has some nice tones through the whole gain sweep.

 

 

]]> 0 913ae7e0b3a92b01e78291c1e9bae6a8 Chris S replied to the topic Boogie 57 - Sputtery decay in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/boogie-57-sputtery-decay/#post-33935 Sat, 05 Oct 2024 20:00:58 -0400 I replaced the gain pot with a 250k and the 8K2 resistor to ground, much smoother gain sweep!

As far as the volume drop, with an audio probe I figured out the treble pot is shorting somehow.

When the pot comes into contact with the case it drops in volume, I looked at the schematic and it seems like none of the 3 connections for the treble pot…Read more

]]> 0 18efee55077b9035e7e503413b64659f Chris S replied to the topic Boogie 57 - Sputtery decay in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/boogie-57-sputtery-decay/#post-33922 Fri, 04 Oct 2024 03:23:04 -0400

The only thing I can see that’s incorrect in your build is R11 3K9 in the build doc, yours looks like 39K

Eureka! That was it!

I’ll need to practice identifying resistors by color band more quickly.

I didn’t have a 3K9 on hand (have some 3.3K and 4.7K) so I put in a socket for R11 to try both, and 4.7K seems to solve my issues with biasing Q…Read more

]]> 0 61732887e92f46de69d08c91eeefadfe Chris S started the topic Boogie 57 - Sputtery decay in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/boogie-57-sputtery-decay/ Thu, 03 Oct 2024 03:21:12 -0400 I built the Boogie ’57 kit a couple months ago and I suspect somethings wrong given the way it sounds.
I have a couple other store bought and kit higher gain pedals to compare it to, and my build of the Boogie ’57 sounds a bit uncharacteristic of a high gain pedal. The best I can describe it is the notes seem to sputter out and decay quickly, I…Read more

]]> 0 0b805be788ef8460e4a64015666753dc Chris S replied to the topic Guitar Bass Driver v3 No Sound (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/troubleshooting-guitar-bass-driver-v3-no-sound/#post-33267 Sat, 07 Sep 2024 17:43:24 -0400 I swapped R27 and R29 and it came to life!

Expected

R27 – 33K

R29 – 47R

Actual

R27 – 47R

R29 – 33K

Looks like R29 is in the power section of the schematic, I’m guessing the 33K was preventing the transistors from getting powered correctly?

I typically measure every resistor before soldering, the instructions had a lot of listed…Read more

]]> 0 bab872dea2fa833395190fd46d916bc7 Chris S replied to the topic Guitar Bass Driver v3 No Sound (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/troubleshooting-guitar-bass-driver-v3-no-sound/#post-33260 Sat, 07 Sep 2024 03:49:53 -0400

]]> 0 3264ece15eea390521646904ec270ba0 Chris S started the topic Guitar Bass Driver v3 No Sound (solved) in the forum GuitarPCB Build Support https://guitarpcb.com/community/topic/troubleshooting-guitar-bass-driver-v3-no-sound/ Sat, 07 Sep 2024 03:46:05 -0400 I’ve got a Guitar Bass Driver v3 kit that’s all wired up, But I get no sound when activated.

LED works.

I’ve used an audio probe to trace the schematic, when I probe to the first pin of Q1, I can hear the input signal between R3 and Q1 and I can get signal from pin #2 on Q1, but after that I don’t get signal to the input of Q3.

What I did…Read more

]]> 0 b1ee3f50f7a32975d085bda93ee5f091 Chris S became a registered member https://guitarpcb.com/activity/p/20594/ Sat, 07 Sep 2024 03:36:19 -0400 0 b1ee3f50f7a32975d085bda93ee5f091 Chris S became a registered member https://guitarpcb.com/activity/p/20593/ Sat, 07 Sep 2024 03:36:19 -0400 0